Claustrum

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Claustrum \Claus"trum\, n.; pl. {Claustra}. [L., a bolt or bar.]
     (Anat.)
     A thin lamina of gray matter in each cerebral hemisphere of
     the brain of man. -- {Claus"tral}, a.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  claustrum
       n : a layer of gray matter in the brain adjacent to the
           lenticular nucleus